Bring your Band of Eternity to Soridormi at the Caverns of Time after obtaining Revered reputation with the Scale of the Sands.
You've carried out the promise you made to us, <name>. And for that you've gained the recognition you deserve.
As you continue to become attuned with past events surrounding mount Hyjal, I can continue to tap into the power contained in your ring. It won't be long until it has reached its full potential.